Generalized Appell polynomials are a family of orthogonal polynomials that generalize the classical Appell polynomials. Appell polynomials are a set of polynomials \(A_n(x)\) such that the \(n\)-th polynomial can be defined via a generating function or a differential equation relationship. Specifically, Appell polynomials satisfy the condition: \[ A_n'(x) = n A_{n-1}(x) \] with a given initial condition.
Sister Celine's polynomials are a special class of polynomials that arise in the context of combinatorics and algebra. They are defined using a recursive relation similar to that of binomial coefficients.
Delayed density dependence refers to a phenomenon in population ecology where the effects of population density on demographic rates (such as birth and death rates) do not occur immediately but are instead delayed over time. This means that the response of a population to changes in its density (like an increase or decrease in the number of individuals) may not be observable until some time later.
Brown bears (Ursus arctos) have a wide distribution across various regions of the Northern Hemisphere. Their range primarily includes: 1. **North America**: Brown bears are found in Alaska, western Canada, and parts of the contiguous United States, particularly in states like Wyoming (particularly in Yellowstone National Park), Montana, and Washington. The coastal areas of British Columbia also have significant populations.
The logistic function is a common sigmoid curve often used in statistics, biology, and machine learning to model growth processes, probabilities, and binary outcomes. It is defined mathematically by the formula: \[ f(x) = \frac{L}{1 + e^{-k(x - x_0)}} \] where: - \(f(x)\) is the output of the logistic function.
Economic nationalism is a political and economic ideology that emphasizes the protection and promotion of a nation's economy, often at the expense of free trade and globalization. It advocates for policies that prioritize domestic industries, jobs, and resources, aiming to strengthen the national economy and enhance national sovereignty. Key characteristics of economic nationalism include: 1. **Protectionism**: Implementing tariffs, quotas, and other trade barriers to shield domestic industries from foreign competition.
Techno-populism is a political and ideological concept that combines elements of populism with a strong emphasis on technology, innovation, and digital media. It often manifests in movements or political platforms that leverage advanced technology, such as social media and digital communication tools, to mobilize support and engage with the public.
Ionosilica is a term that generally refers to a class of materials that combine silica (silicon dioxide) with ionic properties. These materials are typically designed to exhibit certain electrical or ionic conduction properties, similar to how traditional silica is used in various applications like electronics, optics, and materials science. **Potential Applications:** 1. **Electronics:** Ionosilica can be used in electronic devices due to its conductive properties.
In earth sciences, permeability refers to the ability of a material, typically soil or rock, to transmit fluids (such as water, oil, or gas) through its pore spaces or fractures. It is a crucial property in various fields including geology, hydrogeology, petroleum engineering, and environmental science. Permeability is influenced by several factors, including: 1. **Pore Size and Connectivity**: Larger and better-connected pores facilitate easier fluid movement.
Pore space in soil refers to the voids or openings within the soil structure that are not occupied by solid soil particles. These pores are essential for various soil functions and properties, including: 1. **Water Retention and Drainage**: Pores allow soil to hold water, which is crucial for plant growth. They also facilitate drainage, preventing waterlogging and enabling aeration.
Legal positivism is a school of thought in legal philosophy that asserts that the validity of law is not connected to moral or ethical considerations but is instead determined by its sources and formal criteria. According to legal positivism, laws are rules created by human beings and are valid because they are enacted by legitimate authority or follow established procedures, rather than because they are just or moral.
Arthur P. Bochner is a prominent figure in the field of communication studies, known primarily for his work in narrative research, qualitative inquiry, and the role of storytelling in human communication. He has contributed significantly to the understanding of how narratives shape our experiences and identities. Bochner is also known for his involvement in academic publications, including editing and contributing to various journals and books that focus on the intersection of communication, culture, and personal stories.
Radiopharmaceuticals are specialized drugs that contain radioactive isotopes and are used primarily in medical imaging and therapy. They are designed for diagnostic and therapeutic purposes, particularly in nuclear medicine. ### Key characteristics: 1. **Radioactive Isotopes**: Radiopharmaceuticals consist of a radionuclide (radioactive isotope) attached to a pharmaceutical component, which can target specific organs, tissues, or cellular receptors in the body.
The notation (120132) 2003 FY128 appears to be a reference to a specific number or identifier, but its exact meaning is not clear without additional context. It could represent a variety of things depending on the field it pertains to, such as a code for a product, a financial year designation, or even a specific document or case number. - **120132** might be a part number, client ID, or some other identifier.
(523671) 2013 FZ27 is a minor planet or asteroid that is part of the solar system. Specifically, it is classified as a near-Earth object (NEO), which means it has an orbit that brings it close to Earth's orbit. Discovered on March 18, 2013, it belongs to the Apollo group of asteroids, which are characterized by their orbits that cross Earth's orbit.
(528381) 2008 ST291 is a centaur—a type of minor planet that is situated between the asteroid and comet categories. Centaurs are typically found in the outer Solar System, between the orbits of Jupiter and Neptune. They are characterized by unstable orbits and exhibit characteristics of both asteroids and comets.
120347 Salacia is a trans-Neptunian object located in the Kuiper Belt, which is a region of the solar system beyond the orbit of Neptune filled with icy bodies and dwarf planets. Discovered in 2003, Salacia is categorized as a "dwarf planet" candidate and is one of the larger objects of its kind. Its diameter is estimated to be around 800 kilometers (approximately 500 miles), though measurements may vary.
20000 Varuna is a trans-Neptunian object and a Centaur, which means it is located in the outer region of the Solar System, beyond the orbit of Neptune. It was discovered in 1978 and is named after Varuna, a deity in Hindu mythology associated with the sky and the oceans.
Carolyne Van Vliet is not widely recognized, and there may not be extensive information available about her in popular sources.
The Riesz transform is a mathematical operator that is primarily used in the field of harmonic analysis and partial differential equations. Named after the mathematician Frigyes Riesz, it is associated with the study of functions defined on Euclidean spaces. In a more formal mathematical context, the Riesz transform can be defined in terms of the Laplace operator.
Pinned article: Introduction to the OurBigBook Project
Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
Intro to OurBigBook
. Source. We have two killer features:
- topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculusArticles of different users are sorted by upvote within each article page. This feature is a bit like:
- a Wikipedia where each user can have their own version of each article
- a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.Figure 1. Screenshot of the "Derivative" topic page. View it live at: ourbigbook.com/go/topic/derivativeVideo 2. OurBigBook Web topics demo. Source. - local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
- to OurBigBook.com to get awesome multi-user features like topics and likes
- as HTML files to a static website, which you can host yourself for free on many external providers like GitHub Pages, and remain in full control
Figure 3. Visual Studio Code extension installation.Figure 4. Visual Studio Code extension tree navigation.Figure 5. Web editor. You can also edit articles on the Web editor without installing anything locally.Video 3. Edit locally and publish demo. Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.Video 4. OurBigBook Visual Studio Code extension editing and navigation demo. Source. - Infinitely deep tables of contents:
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact





